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Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings | $ 2,194 | $ 2,673
Total nonaccrual loans, including nonaccruing TDRs | 5,966 | 7,301
Other real estate owned | 117 | 242
Total nonperforming assets | $ 6,083 | $ 7,543
Nonperforming assets as a percentage of: |  |
Total assets | 0.33% | 0.46%
Gross loans | 0.38% | 0.54%
Total loans over 90 days past due | $ 282 | $ 2,027
Loans over 90 days past due and still accruing |  |
Accruing troubled debt restructurings | 6,699 | 5,145
Commercial [Member] | Construction [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings |  |
Commercial [Member] | Owner occupied RE [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings |  |
Commercial [Member] | Non-owner occupied RE [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings | 1,680 | 1,581
Commercial [Member] | Business [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings | 89 | 910
Consumer [Member] | Real estate [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings | 1,153 | 992
Consumer [Member] | Home equity [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings | 850 | 1,144
Consumer [Member] | Construction [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings |  |
Consumer [Member] | Other [Member] |  |
Summary of nonperforming assets |  |
Nonaccruing troubled debt restructurings |  | $ 1

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